can piece
Verbo regular: piece - pieced- pieced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can piece
you can piece
he can piece
we can piece
you can piece
they can piece 	I can be piecing
you can be piecing
he can be piecing
we can be piecing
you can be piecing
they can be piecing	I can have pieced
you can have pieced
he can have pieced
we can have pieced
you can have pieced
they can have pieced	I can have been piecing
you can have been piecing
he can have been piecing
we can have been piecing
you can have been piecing
they can have been piecing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot piece
you cannot piece
he cannot piece
we cannot piece
you cannot piece
they cannot piece 	I cannot be piecing
you cannot be piecing
he cannot be piecing
we cannot be piecing
you cannot be piecing
they cannot be piecing	I cannot have pieced
you cannot have pieced
he cannot have pieced
we cannot have pieced
you cannot have pieced
they cannot have pieced	I cannot have been piecing
you cannot have been piecing
he cannot have been piecing
we cannot have been piecing
you cannot have been piecing
they cannot have been piecing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I piece?
can you piece?
can he piece?
can we piece?
can you piece?
can they piece? 	can I be piecing?
can you be piecing?
can he be piecing?
can we be piecing?
can you be piecing?
can they be piecing? 	can I have pieced?
can you have pieced?
can he have pieced?
can we have pieced?
can you have pieced?
can they have pieced? 	can I have been piecing?
can you have been piecing?
can he have been piecing?
can we have been piecing?
can you have been piecing?
can they have been piecing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not piece?
can you not piece?
can he not piece?
can we not piece?
can you not piece?
can they not piece? 	can I not be piecing?
can you not be piecing?
can he not be piecing?
can we not be piecing?
can you not be piecing?
can they not be piecing? 	can I not have pieced?
can you not have pieced?
can he not have pieced?
can we not have pieced?
can you not have pieced?
can they not have pieced? 	can I not have been piecing?
can you not have been piecing?
can he not have been piecing?
can we not have been piecing?
can you not have been piecing?
can they not have been piecing?